1278408050

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{63761}}^1$

素因数の和:64174

約数の個数: 24

約数和(自身を含む): 2383806132

約数和(自身を除く): 1105398082

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4010, 10025, 20050, 63761, 127522, 318805, 637610, 1594025, 3188050, 25568161, 51136322, 127840805, 255681610, 639204025, 1278408050]

約数ペア:

[(1, 1278408050), (2, 639204025), (5, 255681610), (10, 127840805), (25, 51136322), (50, 25568161), (401, 3188050), (802, 1594025), (2005, 637610), (4010, 318805), (10025, 127522), (20050, 63761)]